CALIFORNIA BEARING RATIO (CBR) TEST (ASTM D1883).

California bearing ratio (CRB) test is used to evaluate subgrade strength for the design of flexible pavements, roads, and runways. CBR test results are used as guidelines for the determination of component thickness layers in road and airfield structures. Building standards can provide accurate test results for CBR test of subgrade, base, and subbase material for the design of road and pavement within optimum timeline and low budget.
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